<template>
  <svg :class="svgClass"
    aria-hidden="true"
    :style="iconStyle"
    @click="onclick">
    <use :xlink:href="iconName" />
  </svg>
</template>

<script>
export default {
  name: 'SvgIcon',
  props: {
    iconClass: {
      type: String,
      required: true
    },
    className: {
      type: String,
      default: ''
    },
    size: {
      type: Number,
      default: 0
    }
  },
  computed: {
    iconName () {
      return `#icon-${this.iconClass}`
    },
    iconStyle () {
      if (!this.size) {
        return {}
      }

      return {
        'font-size': this.size + 'px'
      }
    },
    svgClass () {
      if (this.className) {
        return 'svg-icon ' + this.className
      } else {
        return 'svg-icon'
      }
    }
  },
  methods: {
    onclick () {
      this.$emit('click', arguments)
    }
  }
}
</script>

<style scoped>
  .svg-icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
  }
</style>
